{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:PCHURCNIHGHCVEK6IHMSUH5ZDY","short_pith_number":"pith:PCHURCNI","schema_version":"1.0","canonical_sha256":"788f4889a8398e2a915e41d92a1fb91e1d98d0c21162c6e417e489bbfd6edaf0","source":{"kind":"arxiv","id":"1111.4211","version":2},"attestation_state":"computed","paper":{"title":"The spatial and velocity bias of linear density peaks and proto-haloes in the Lambda cold dark matter cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Aaron D. Ludlow, Anna Elia, Cristiano Porciani","submitted_at":"2011-11-17T21:00:06Z","abstract_excerpt":"We use high resolution N-body simulations to investigate the Lagrangian bias of cold dark matter haloes within the LCDM cosmology. Our analysis focuses on \"proto-haloes\", which we identify in the simulation initial conditions with the subsets of particles belonging to individual redshift-zero haloes. We then calculate the number-density and velocity-divergence fields of proto-haloes and estimate their auto spectral densities. We also measure the corresponding cross spectral densities with the linear matter distribution. We use our results to test a Lagrangian-bias model presented by Desjacques"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1111.4211","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-17T21:00:06Z","cross_cats_sorted":[],"title_canon_sha256":"d97814a997e739e06f69ee3d49f9309a2d590a0f98787baf371ed067626f7a63","abstract_canon_sha256":"2c18f792aa41e5e102a0e4d00e02b90288dab6f6b74a5417d6fa47f2f64a0563"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:31.454078Z","signature_b64":"/5ktRpT79YPaqc+w13EG2Pmlk24IKJNE2jCLgtoeyDaUzGbFwZP/sfdGjMrLXtsPFbIlbvRUn8n93tgKlL+3CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"788f4889a8398e2a915e41d92a1fb91e1d98d0c21162c6e417e489bbfd6edaf0","last_reissued_at":"2026-05-18T01:59:31.453531Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:31.453531Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The spatial and velocity bias of linear density peaks and proto-haloes in the Lambda cold dark matter cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Aaron D. Ludlow, Anna Elia, Cristiano Porciani","submitted_at":"2011-11-17T21:00:06Z","abstract_excerpt":"We use high resolution N-body simulations to investigate the Lagrangian bias of cold dark matter haloes within the LCDM cosmology. Our analysis focuses on \"proto-haloes\", which we identify in the simulation initial conditions with the subsets of particles belonging to individual redshift-zero haloes. We then calculate the number-density and velocity-divergence fields of proto-haloes and estimate their auto spectral densities. We also measure the corresponding cross spectral densities with the linear matter distribution. We use our results to test a Lagrangian-bias model presented by Desjacques"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.4211","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1111.4211","created_at":"2026-05-18T01:59:31.453614+00:00"},{"alias_kind":"arxiv_version","alias_value":"1111.4211v2","created_at":"2026-05-18T01:59:31.453614+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.4211","created_at":"2026-05-18T01:59:31.453614+00:00"},{"alias_kind":"pith_short_12","alias_value":"PCHURCNIHGHC","created_at":"2026-05-18T12:26:39.201973+00:00"},{"alias_kind":"pith_short_16","alias_value":"PCHURCNIHGHCVEK6","created_at":"2026-05-18T12:26:39.201973+00:00"},{"alias_kind":"pith_short_8","alias_value":"PCHURCNI","created_at":"2026-05-18T12:26:39.201973+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2508.00049","citing_title":"Segmenting proto-halos with vision transformers","ref_index":30,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PCHURCNIHGHCVEK6IHMSUH5ZDY","json":"https://pith.science/pith/PCHURCNIHGHCVEK6IHMSUH5ZDY.json","graph_json":"https://pith.science/api/pith-number/PCHURCNIHGHCVEK6IHMSUH5ZDY/graph.json","events_json":"https://pith.science/api/pith-number/PCHURCNIHGHCVEK6IHMSUH5ZDY/events.json","paper":"https://pith.science/paper/PCHURCNI"},"agent_actions":{"view_html":"https://pith.science/pith/PCHURCNIHGHCVEK6IHMSUH5ZDY","download_json":"https://pith.science/pith/PCHURCNIHGHCVEK6IHMSUH5ZDY.json","view_paper":"https://pith.science/paper/PCHURCNI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1111.4211&json=true","fetch_graph":"https://pith.science/api/pith-number/PCHURCNIHGHCVEK6IHMSUH5ZDY/graph.json","fetch_events":"https://pith.science/api/pith-number/PCHURCNIHGHCVEK6IHMSUH5ZDY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PCHURCNIHGHCVEK6IHMSUH5ZDY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PCHURCNIHGHCVEK6IHMSUH5ZDY/action/storage_attestation","attest_author":"https://pith.science/pith/PCHURCNIHGHCVEK6IHMSUH5ZDY/action/author_attestation","sign_citation":"https://pith.science/pith/PCHURCNIHGHCVEK6IHMSUH5ZDY/action/citation_signature","submit_replication":"https://pith.science/pith/PCHURCNIHGHCVEK6IHMSUH5ZDY/action/replication_record"}},"created_at":"2026-05-18T01:59:31.453614+00:00","updated_at":"2026-05-18T01:59:31.453614+00:00"}